Gregory Brown over at Practicing Ruby has released his Manuscripts archive on github. Previously only available to subscribers, he's published them with the Creative Commons Attribution-ShareAlike 3.0 Unported license

Chris Kempson, the creator of the popular tomorrow theme, has created the base16-builder. Its a Ruby script that builds theme files for lots of tools like Vim, iTerm, Mac Terminal, TextMate, SublimeText and of course Emacs.